# 用户:
class User:
    def __init__(self, name, phone, idcard, card):
        self.name = name
        self.phone = phone
        self.idcard = idcard
        self.card = card

    def __str__(self):
        return f"姓名:{self.name},电话:{self.phone},身份证号:{self.idcard},银行卡:{self.card}"
